Delete batch messages Microsoft Teams

Delete-Teams-Messages.js

(function() {
     var JQ = jQuery("iframe").contents();
     var queue = [];
     var last_processed = (new Date()).getTime();
     var loading = true;
     var my_name = null;

     var mouse = function(which, element) {
         var evt = element.ownerDocument.createEvent('MouseEvents');

         evt.initMouseEvent(which, true, true,
             element.ownerDocument.defaultView, 1, 0, 0, 0, 0, false,
             false, false, false, 1, null);

         element.dispatchEvent(evt);
     }

     var repeat = setInterval(function() {

         if (loading) {

             if (JQ.find("div.pending").size() == 0) {
                 loading = false;
                 $(JQ.find('div[data-mid]').get().reverse()).each(function() {
                     var id = $(this).attr('data-mid');
                     if (isNaN(id)) return;

                     if ($(this).find("[data-tid=message-undo-delete-btn]").size() > 0) return;

                     queue.push(this);
                     $(this).css({
                         'outline': '5px solid #blue'
                     });
                 });
             } else return;
         }


         while (true) {
             if (queue.length > 0) {
                 var item = queue.shift();
                 if (my_name && my_name != $(item).find("[data-tid=message-author-name]").text()) {
                     $(item).css({
                         'outline': '5px solid red'
                     });
                 } else {
                     $(item).css({
                         'outline': '5px solid blue'
                     });
                     mouse('contextmenu', $(item).find(".ui-chat__messagecontent>div")[0]);

                     var delete_button = JQ.find("[data-tid=message-actions-delete]")[0];
                     if (delete_button) {
                         console.log("Delete ID " + $(item).attr("data-mid"));
                         $(item).css({
                             'outline': '5px solid green'
                         });
                         my_name = $(item).find("[data-tid=message-author-name]").text();
                         console.log(["My name is: ", my_name]);
                         mouse('click', delete_button);
                         last_processed = (new Date()).getTime();
                         break;
                     } else {
                         $(item).css({
                             'outline': '5px solid red'
                         });
                     }
                 }

                 setTimeout(function() {
                     $(item)[0].scrollIntoView(false);
                 }, 100);

             } else
                 break;

         }

         if (queue.length <= 0) {
             loading = true;

         }

         if (last_processed < (new Date()).getTime() - 15000) {
             // if no new messages are coming up for 15s, consider it finished
             clearInterval(repeat);
             console.log("Finished, nothing new has come up for 15 seconds.");
         }
     }, 1000);
 })();